AVANTEK YIG bias
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Posted by aduro on September 19, 2005, 4:04 pm
Please log in for more thread options Hi all. I have a couple of AVANTEK YIG oscillators, models SF6- 0991 and AV7204M, Both are 2 – 4 GHz units. None of the oscillators have their pins marked, but FM coil, Main coil and heater are easily identifiable. Does anyone have information about bias connection for these units? Most AVANTEK’s have +15V and –5V connected to pins 1 and 2 (Clockwise from SMA), but these units have an 18V 1W Zener diode connected from pin 2 to casing. It looks like these Zeners are there to protect pin 2 from over voltages above 18V, which doesn’t make much sense, unless Bias pins are swapped on these units (+15V on Pin 2 and –5V on pin 1) Anyone can help? Regards Augusto Duro This message was sent using the sci.electronics.design web interface on www.Electronics-Related.com | ||||||||||
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